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Electronic coding, non-polar two-wire system
Using special integrated chip, fully sealed design of action contact
Hardware and software multi-stage filtering, strong anti-interference ability
Dedicated reset key, reusable
Independent normally open contact output, can directly control other external devices
With telephone jack, can be used for fire telephone system
Plug-in structure, reliable contact, easy to install and replace
BJ-SSD3302 manual fire alarm button
BJ-SSD3300 manual fire alarm button
BJ-SSD4300 manual fire alarm button